# set terminal png transparent nocrop enhanced font arial 8 size 500,350 
# set output 'histograms.8.png'
set bar 1.000000
set border 3 front linetype -1 linewidth 1.000
set boxwidth 0.8 absolute
set style fill  solid 1.00 noborder
set style rectangle back fc lt -3 fillstyle  solid 1.00 border -1
set grid nopolar
set grid noxtics nomxtics ytics nomytics noztics nomztics \
 nox2tics nomx2tics noy2tics nomy2tics nocbtics nomcbtics
set grid layerdefault   linetype 0 linewidth 1.000,  linetype 0 linewidth 1.000
set key bmargin center horizontal Left reverse enhanced autotitles columnhead nobox
set style histogram rowstacked title  offset character 2, 0.25, 0
set datafile missing '-'
set style data histograms
set xtics border in scale 1,0.5 nomirror rotate by -45  offset character 0, 0, 0
set xtics  norangelimit
set xtics   ("1891-1900" 0.00000 -1, "1901-1910" 1.00000 -1, "1911-1920" 2.00000 -1, "1921-1930" 3.00000 -1, "1931-1940" 4.00000 -1, "1941-1950" 5.00000 -1, "1951-1960" 6.00000 -1, "1961-1970" 7.00000 -1, "1891-1900" 9.00000 -1, "1901-1910" 10.0000 -1, "1911-1920" 11.0000 -1, "1921-1930" 12.0000 -1, "1931-1940" 13.0000 -1, "1941-1950" 14.0000 -1, "1951-1960" 15.0000 -1, "1961-1970" 16.0000 -1, "1891-1900" 18.0000 -1, "1901-1910" 19.0000 -1, "1911-1920" 20.0000 -1, "1921-1930" 21.0000 -1, "1931-1940" 22.0000 -1, "1941-1950" 23.0000 -1, "1951-1960" 24.0000 -1, "1961-1970" 25.0000 -1)
set ytics border in scale 0,0 mirror norotate  offset character 0, 0, 0
set ztics border in scale 0,0 nomirror norotate  offset character 0, 0, 0
set cbtics border in scale 0,0 mirror norotate  offset character 0, 0, 0
set title "Immigration from different regions\n(give each histogram a separate title)" 
set rrange [ * : * ] noreverse nowriteback  # (currently [0.00000:10.0000] )
set trange [ * : * ] noreverse nowriteback  # (currently [-5.00000:5.00000] )
set urange [ * : * ] noreverse nowriteback  # (currently [-5.00000:5.00000] )
set vrange [ * : * ] noreverse nowriteback  # (currently [-5.00000:5.00000] )
set xlabel "(Same plot using rowstacked rather than clustered histogram)" 
set xlabel  offset character 0, -2, 0 font "" textcolor lt -1 norotate
set ylabel "Immigration by decade" 
set ylabel  offset character 0, 0, 0 font "" textcolor lt -1 rotate by 90
set y2label  offset character 0, 0, 0 font "" textcolor lt -1 rotate by 90
set yrange [ 0.00000 : 900000. ] noreverse nowriteback
set cblabel  offset character 0, 0, 0 font "" textcolor lt -1 rotate by 90
set locale "C"
plot newhistogram "Northern Europe", 'immigration.dat' using 6:xtic(1), '' u 13, '' u 14, newhistogram "Southern Europe", '' u 9:xtic(1), '' u 17, '' u 22, newhistogram "British Isles", '' u 10:xtic(1), '' u 21